TY  - BOOK
AU  - Eckel,Edwin Butt
TI  - Minerals of Colorado: a 100-year record 
AV  - QE75 .B9 no. 1114
PY  - 1961///
CY  - Washington, [D.C.]
PB  - U.S. G.P.O.
KW  - Minerals
KW  - Colorado
KW  - Bibliography
N1  - "A summary of the first 100 years of published knowledge, including the chief occurrences of 445 mineral species."; One folded col. map in pocket; Bibliography: p. 364-399
ER  -